ACLS review

131.  For an adult victim receiving two person CPR, what is the ratio of compressions to ventilations? 
30 compressions:  2 ventilations for and adult for both one and two rescuer CPR

132.   Compare the amount of oxygen a patient receives from a BVM devise that it not hooked to an oxygen source to one that is hooked to an oxygen source at 15L/min.  
A BVM that is not hooked to an oxygen source delivers 21% oxygen to the patient while one that is hooked to an oxygen source at 15L/min will deliver 40-60% oxygen to the patient.

133.  What is meant by the term functional or relative bradycardia?
A heart rate that is too slow relative to a low blood pressure or the patient’s condition, eg a heart rate of 66 with a blood pressure of 84/40 and symptoms of shock.

134.  What is the most frequent initial rhythm seen in out-of-hospital witnessed sudden cardiac arrest?
Ventricular fibrillation

135. If no CPR is provided, by what percentage do the survival rates from witnessed VF sudden cardiac arrest decrease per minute?
For every minute that passes between collapse and defibrillation, 7% to 10% 


Reviewed 2/28/16

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